Header header
uint8 current_position  #1 平路 2上坡  3下坡 4装载区 5卸载区 
uint8 current_track     #1 直行 2转弯
uint8 current_weather   #1 下雨  2下雪 3雨后  3雪后 5正常

uint8 Position_Parallel = 1
uint8 Position_Uphill = 2
uint8 Position_Downhill = 3
uint8 Position_Load = 4
uint8 Position_UnLoad = 5

